JIOToolkit.hh

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#ifndef __JIO__JIOTOOLKIT__
#define __JIO__JIOTOOLKIT__

#include "JLang/JException.hh"
#include "JIO/JFileStreamIO.hh"
#include "JIO/JSTDIO.hh"


/**
 * \file
 * Auxiliary methods for binary I/O.
 * \author mdejong
 */
namespace JIO {}
namespace JPP { using namespace JIO; }

namespace JIO {

  using JLANG::JFileOpenException;
  using JLANG::JFileReadException;


  /**
   * Load object from input file.
   *
   * \param  file_name  file name
   * \param  object     object to be read
   */
  template<class T>
  inline void load(const char* file_name, T& object)
  {
    JFileStreamReader in(file_name);
    
    if (!in) {
      throw JFileOpenException(std::string("Error opening file ") + file_name);
    }    

    in.load(object);

    if (!in) {
      throw JFileReadException(std::string("Error reading file ") + file_name);
    }

    in.close();
  }
  

  /**
   * Store object to output file.
   *
   * \param  file_name  file name
   * \param  object     object to be written
   */
  template<class T>
  inline void store(const char* file_name, const T& object)
  {
    JFileStreamWriter out(file_name);

    if (!out) {
      throw JFileOpenException(std::string("Error opening file ") + file_name);
    }    

    out.store(object);
    out.close();
  }
}

#endif